Request Details

Route
/api_simple GET
Timestamp
Sep 20, 2026 11:26 PM
Duration
22.4 ms
Status
204
Response Size
433 Bytes
Error
No

Performance Breakdown

Database
13.2% (2 queries)
View Rendering
63.2%
Application Logic
23.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
40.0 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 47.5ms 94.9ms 142.4ms 189.8ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
home/index 12 ms 53.6%
home#api_simple 22 ms 100.0%
posts/show 40 ms 178.6%
home#api_simple 22 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 3 ms 13.4%
layouts/application 37 ms 165.2%
users/index 31 ms 138.4%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 22 ms 98.2%